HomeMy WebLinkAboutTerracon,_Inc._-_CO_2,_Cont._No._1066_-_10.6.2025Docusign Envelope ID: 377E1D49-EFF1-47E3-BBBC-21846B7574E4
■ ierracon
Date: September 17, 2025
City of Waterloo
715 Mulberry Street
Waterloo, Iowa 50703
Attention: Mr. Wayne Castle
3105 Capital Way
Cedar Falls, IA 50613
P (319) 277-4016
F (319) 277-4320
Terracon.com
Re: FY 2024 Hawthorne Avenue Storm Water Lift Station Relief Well
Project No. 13257014
We are transmitting
❑ herewith
❑ under separate cover
Item
Date
Description
9/17/25
Change Order No. 2
Remarks:
If you have any questions regarding this information, please contact Dave Cleary at 319-
277-4016. Thank you
Yours truly,
Terracon Consultants, Inc.
By:
Dave Cleary
Copies to: Addressee (Wayne.Castle@Waterloo-IA.org)
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Docusign Envelope ID: 377E1D49-EFF1-47E3-BBBC-21846B7574E4
jrerracon
Reference Number: 13257014
CHANGE ORDER No. 2
This Change Order No. 2 to the 2024 Hawthorne Avenue Storm Sewer Lift Station Relief Well dated 07/19/2021 ("Agreement") is between City of
Waterloo IA ("Client") and Terracon Consultants, Inc. ("Consultant") for additional or changed Services to be provided by Consultant for Client on the 2024
Hawthorne Avenue Storm Sewer Lift Station Relief Well Project, as described in 2024 Hawthorne Avenue Storm Sewer Lift Station Relief Well. This Change
Order is incorporated into and made part of the Agreement.
Scope of Services. The scope of the additional or changed Services is described in the Scope of Services section of Consultant's Change Order
Proposal, unless Services are otherwise described below or in Exhibit B to this Change Order (which section or exhibit are incorporated into the
Change Order).
Change Order No. 1 for Construction Review Services dated 2/28/25 Terracon estimated seven 10 hour days for the north well installation and well
abandonment observation, 140 total hours for Terracon personnel. Terracon has provided approximately 120 hours in 12 days thru 9/16/25
Change Order No. 2 is due to the Contractor having to change drilling methods to use temporary steel casing for the entire depth of the well. Terracon
estimates an additional approximate 100 to 140 hours of field services for the completion of the north well installation and development, existing north
well abandonment and relief well testing of the new north well and existing south well.
Compensation. Client shall pay compensation for the additional or changed Services performed at the fees stated in the Change Order Proposal
unless fees are otherwise stated below or in Exhibit C to this Change Order (which section or exhibit are incorporated into the Change Order).
The above Change Order No. 2 Scope of Services will we invoiced on a time and materials basis per the fee schedule included with the 2/28/25
Proposal for Construction Review Services with an additional estimated Change Order No. 2 fee of $23,000 to $25,000.
All terms and conditions of the Agreement shall continue in full force and effect. This Change Order is accepted and Consultant is authorized to proceed.
Consultant: Terracon Consultants, Inc.
By:
Name/Title:
ewe
Client: Atypaylalvylpo IA
Date: 9/17/2025 By:
Dave C. Cleary, REM / Environmental
Department Manager
Address: 3105 Capital Way, Ste 5
61AttAlitn, (kav'?
D0525D78AAC8449...
Name/Title: Quentin Hart / Mayor
Date: 1 0/6/2025
Address: 715 Mulberry St
Cedar Falls, IA 50613-7030 Waterloo, IA 50703-5714
Phone: (319) 277-4016 Fax: Phone: (319) 291-4312 Fax:
Email: Dave.Cleary@terracon.com Email: wayne.castle@waterloo-ia.org
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